<template>
    <div id="leftSideBar">

    </div>
</template>

<script>

export default {
    name: 'LeftSideBar',
      mounted() {
    console.log("mounted 挂载结束状态===============》");
    var state = {
      el: this.$el,
      data: this.$data,
      message: this.message,
    };
    console.log(this.$el);
    console.log(state);
  },
    methods:{

    }
}
</script>

<style scoped>
#leftSideBar {
  background-color: #dddddd;
  position: absolute; /*这可以换成float:left,都可以使其脱离文档流*/
  height: 95%;
  width: 200px;
  border: 1px solid black;
  overflow: auto;
}

</style>